US 12,278,213 B2
Display substrate and display device
Mingxing Wang, Beijing (CN); Meng Yan, Beijing (CN); Qingxun Zhang, Beijing (CN); Qian Wu, Beijing (CN); Xuan Feng, Beijing (CN); Xiawei Yun, Beijing (CN); Guangcai Yuan, Beijing (CN); Xue Dong, Beijing (CN); Muxin Di, Beijing (CN); Zhiwei Liang, Beijing (CN); and Ke Wang, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/422,220
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Oct. 21, 2020, PCT No. PCT/CN2020/122431
§ 371(c)(1), (2) Date Jul. 12, 2021,
PCT Pub. No. WO2022/082491, PCT Pub. Date Apr. 28, 2022.
Prior Publication US 2022/0216183 A1, Jul. 7, 2022
Int. Cl. H01L 27/15 (2006.01); H01L 23/00 (2006.01); H01L 23/498 (2006.01); H01L 25/065 (2023.01); H10K 59/35 (2023.01)
CPC H01L 25/0655 (2013.01) [H01L 23/49838 (2013.01); H01L 24/06 (2013.01); H01L 24/14 (2013.01); H01L 24/16 (2013.01); H01L 24/17 (2013.01); H01L 27/156 (2013.01); H10K 59/35 (2023.02); H01L 24/13 (2013.01); H01L 2224/0603 (2013.01); H01L 2224/06163 (2013.01); H01L 2224/13013 (2013.01); H01L 2224/1403 (2013.01); H01L 2224/14131 (2013.01); H01L 2224/14134 (2013.01); H01L 2224/16106 (2013.01); H01L 2224/16238 (2013.01); H01L 2224/17106 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a backplane, comprising a plurality of pixel regions;
a plurality of light emitting units, arranged in one-to-one correspondence with the plurality of pixel regions,
wherein each of the plurality of light emitting units comprises light emitting sub-units arranged in a plurality of rows and a plurality of columns, each row of light emitting sub-units comprises a plurality of light emitting sub-units arranged along a row direction, each column of light emitting sub-units comprises one light emitting sub-unit, and orthographic projections of light emitting regions of two adjacent columns of light emitting sub-units on a first straight line extending along a column direction are not overlapped; and
each of the plurality of pixel regions comprises first contact pads arranged in a plurality of rows and a plurality of columns and at least one second contact pad, and the at least one second contact pad is located at one side of the first contact pad away from a center of the each of the plurality of pixel regions, and distributed at an edge of the each of the plurality of pixel regions;
each of the plurality of light emitting units comprises a plurality of first electrodes and at least one second electrode located at a same side, and each of the light emitting sub-units comprises one first electrode, at least parts of the plurality of first electrodes are configured to be respectively connected with the first contact pads arranged in the plurality of rows and the plurality of columns, and the second electrode is configured to be connected with the second contact pad;
in each of the plurality of light emitting units, the second electrode is a common electrode shared by at least two light emitting sub-units.